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#1
03-18-2008, 05:25 PM
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bent valve
I just pulled the head on a 2001, 2.5L motor and found a bent exhaust valve. Does anyone know if this is an interference engine cause the pistons have no relief cut outs. Even if it is, how could the valve timing be off because it has a timing chain which has not been tampered with. The truck only has 102K and none of the other valves are bent. The truck was running quiet but on only 3 cyl (obviously). Any help would be great. Thanks
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#2
03-21-2008, 03:55 PM
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Re: bent valve
The valve may have become stuck open just long enough to cause damage. Worn guides causing the valve stem to become "cocked" and/or a weak or broken spring may be the cause.
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Current Garage: 2009 Honda CR-V EX 2006 Mazda 3i 2004 Chevrolet Silverado 2500HD 2003 GMC Envoy XL 2000 Honda ST1100 2000 Pontiac Sunfire Vehicle History: 2003 Pontiac Vibe AWD - 1999 Acura Integra GS - 2004 4.7L Dakota Quad Cab 4x4 - 1996 GMC Jimmy 4wd - 1995 Chevrolet C2500 - 1992 Toyota Camry LE 2.2L - 1992 Chevrolet S10 Ext. Cab 4.3L - 1995 Honda ST1100 - 1980 Yamaha XS400 - 1980 Mercury Bobcat.
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